| splenic sinus | An elongated venous channel, 12 to 40 um wide, lined by rod-shaped cells. Synonym: sinus lienis. Straight sinus, an unpaired dural venous sinus in the posterior part of the falx cerebri where it is attached to the tentorium cerebelli; it is formed anteriorly by the merging of the great cerebral vein with the inferior sagittal sinus, and passes horizontally and posteriorly to the confluence of sinuses. Synonym: sinus rectus, tentorial sinus. (05 Mar 2000) |
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| splenic vein | <anatomy, vein> Vein formed by the union (at the hilus of the spleen) of several small veins from the stomach, pancreas, spleen and mesentery. (12 Dec 1998) |
| spleniculus | Synonym: accessory spleen. Origin: Mod. L. (05 Mar 2000) |
| spleniform | <anatomy> Resembling the spleen; spleenlike. Origin: Gr. Spleeen. Source: Websters Dictionary (01 Mar 1998) |
| spleniserrate | Relating to the splenius and serratus muscles. (05 Mar 2000) |
| splenitis | <medicine> Inflammation of the spleen. Origin: NL, fr. Gr. Of the spleen. Source: Websters Dictionary (01 Mar 1998) |
| splenium | <anatomy> The thickened posterior border of the corpus callosum; so called in allusion to its shape. Origin: L, a plaster, a patch, from Gr. A bandage, compress. Source: Websters Dictionary (01 Mar 1998) |
| splenium corporis callosi | The thickened posterior extremity of the corpus callosum. Synonym: splenium corporis callosi. (05 Mar 2000) |
| splenium of corpus callosum | The thickened posterior extremity of the corpus callosum. Synonym: splenium corporis callosi. (05 Mar 2000) |
| splenius | <anatomy> A flat muscle of the back of the neck. Source: Websters Dictionary (01 Mar 1998) |
| splenius capitis | <anatomy, muscle> Origin, from ligamentum nuchae of last four cervical vertebrae and supraspinous ligament of first and second thoracic vertebrae; insertion, lateral half of superior nuchal line and mastoid process; action, rotates head and extends neck; nerve supply, dorsal primary rami of second to sixth cervical spinal nerves. Synonym: musculus splenius capitis, splenius muscle of head. (05 Mar 2000) |
| splenius cervicis | <anatomy, muscle> Origin, from supraspinous ligament and spinous processes of third to fifth thoracic vertebrae; insertion, posterior tubercles of transverse processes of first and second (sometimes third) cervical vertebrae; action, rotates and extends neck; nerve supply, dorsal primary rami of fourth to eighth cervical spinal nerves. Synonym: musculus splenius cervicis, musculus splenius colli, splenius muscle of neck. (05 Mar 2000) |
| splenius muscle of head | <anatomy, muscle> Origin, from ligamentum nuchae of last four cervical vertebrae and supraspinous ligament of first and second thoracic vertebrae; insertion, lateral half of superior nuchal line and mastoid process; action, rotates head and extends neck; nerve supply, dorsal primary rami of second to sixth cervical spinal nerves. Synonym: musculus splenius capitis, splenius muscle of head. (05 Mar 2000) |
| splenius muscle of neck | <anatomy, muscle> Origin, from supraspinous ligament and spinous processes of third to fifth thoracic vertebrae; insertion, posterior tubercles of transverse processes of first and second (sometimes third) cervical vertebrae; action, rotates and extends neck; nerve supply, dorsal primary rami of fourth to eighth cervical spinal nerves. Synonym: musculus splenius cervicis, musculus splenius colli, splenius muscle of neck. (05 Mar 2000) |
| splenization | <medicine> A morbid state of the lung produced by inflammation, in which its tissue resembles that of the spleen. Source: Websters Dictionary (01 Mar 1998) |